As of July 26, 2026, the three largest insider holders of GNLX are Aladar Szalay (TenPercentOwner, 599.82K shares), Thomas Zindrick (President And Ceo, 534.85K shares), John Thomas (Director, 482.78K shares).
| Holder | Position | Shares (Direct) | Shares (Indirect) | Report Date |
|---|---|---|---|---|
| James L Tyree | - | 68,074 | 0 | 29 Aug, 2025 |
| Yong Yu | Svp, Clinical Development | 144,938 | 0 | 26 Mar, 2026 |
| Qian Zhang | Associate Vp, Research | 139,333 | 0 | 02 May, 2023 |
| Sean Ryder | General Counsel | 47,621 | 0 | 13 May, 2025 |
| Aladar Szalay | - | 0 | 599,821 | 13 Sep, 2024 |
| Mary Mirabelli | - | 73,284 | 0 | 29 Aug, 2025 |
| Thomas Zindrick | President And Ceo | 534,849 | 0 | 26 Mar, 2026 |
| Gabe Woodward | - | 0 | 8,176 | 30 Jan, 2023 |
| John Thomas | - | 482,784 | 0 | 03 Mar, 2026 |
| Joseph Cappello | Chief Technical Officer | 155,154 | 0 | 26 Mar, 2026 |
| Doug Samuelson | Chief Financial Officer | 2,303 | 0 | 22 Aug, 2023 |
| Caroline Jewett | Head Of Quality | 21,135 | 0 | 12 Sep, 2023 |
| Ralph Smalling | Head Of Regulatory | 68,073 | 0 | 26 Mar, 2026 |
| Lourie S. Zak | Chief Financial Officer | 82,452 | 0 | 20 Dec, 2024 |
* Please note that the shares above only reflect shares from the fund portfolio and the institutional portfolio. Shares from the personal portfolio are excluded from this Institutional Ownership Page. See these insiders' latest transactions here on Insider Page.
| Transaction Date | Insider Name | Security Class | Transaction Type | Shares Traded | Price | Shares Remaining | Ownership | Code |
|---|---|---|---|---|---|---|---|---|
| 24 Mar, 2026 | Yong Yu | Common Stock | D | 906 | $2.42 | 144,938 | D | S |
| 24 Mar, 2026 | Yong Yu | Common Stock | D | 906 | $2.42 | 144,938 | D | S |
| 24 Mar, 2026 | Ralph Smalling | Common Stock | D | 345 | $2.42 | 68,313 | D | S |
| 24 Mar, 2026 | Joseph Cappello | Common Stock | D | 906 | $2.42 | 155,154 | D | S |
| 24 Mar, 2026 | Thomas Zindrick | Common Stock | D | 3,582 | $2.42 | 534,849 | D | S |
| 24 Mar, 2026 | Thomas Zindrick | Common Stock | D | 3,582 | $2.42 | 534,849 | D | S |
| 24 Mar, 2026 | Yong Yu | Common Stock | D | 906 | $2.42 | 144,938 | D | S |
| 24 Mar, 2026 | Ralph Smalling | Common Stock | D | 345 | $2.42 | 68,313 | D | S |
| 24 Mar, 2026 | Thomas Zindrick | Common Stock | D | 3,582 | $2.42 | 534,849 | D | S |
| 24 Mar, 2026 | Ralph Smalling | Common Stock | D | 345 | $2.42 | 68,313 | D | S |
| 25 Mar, 2026 | Ralph Smalling | Common Stock | D | 240 | $2.51 | 68,073 | D | S |
| 25 Mar, 2026 | Ralph Smalling | Common Stock | D | 240 | $2.51 | 68,073 | D | S |
| 25 Mar, 2026 | Ralph Smalling | Common Stock | D | 240 | $2.51 | 68,073 | D | S |
| 02 Mar, 2026 | John Thomas | Common Stock | D | 10,000 | $2.90 | 482,784 | D | S |
| 02 Mar, 2026 | John Thomas | Common Stock | D | 10,000 | $2.90 | 482,784 | D | S |
| 02 Mar, 2026 | John Thomas | Common Stock | D | 10,000 | $2.90 | 482,784 | D | S |
| 02 Jan, 2026 | Jason Litten | Stock Option (Right to Buy) | A | 275,000 | $0.00 | 275,000 | D | A |
| 02 Jan, 2026 | Jason Litten | Stock Option (Right to Buy) | A | 275,000 | $0.00 | 275,000 | D | A |
| 02 Jan, 2026 | Jason Litten | Stock Option (Right to Buy) | A | 275,000 | $0.00 | 275,000 | D | A |
| 01 Dec, 2025 | John Thomas | Common Stock | D | 10,000 | $5.00 | 492,784 | D | S |